Kees Visser
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Born : 1932
Cat. M90 Ultrarunner since 1978
3
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
12
DUV-index+ ?Largest integer N such that the race distances provide at least N complete segments of N km in total. A single long race may therefore contribute several segments. See the DUV-Index tab for the detailed calculation. calculation details
1
Countries visited ?Netherlands
Netherlands81,2%
Rank quotient ?This runner's calculation uses 3 eligible race(s): Σ(rank − 1) = 229; Σ finishers = 282. 229 / 282 × 100 = 81.21%. A win adds 0 to the numerator. Lower is better.
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
No record for a classic ultra format
HISTORY
3 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 1981 | ||||
| 01.11 | 61km | 4e Schipholloop |
5:44:57 h | 86 |
| 1980 | ||||
| 02.11 | 61km | 3e Schipholloop |
5:35:49 h | 65 |
| 1978 | ||||
| 03.12 | 59km | 1e Schipholloop |
5:40:46 h | 81 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 1/11/1981 | 4e Schipholloop | 61,00 | ×5 |
| ✓ 2 | 2/11/1980 | 3e Schipholloop | 61,00 | ×5 |
| ✓ 3 | 3/12/1978 | 1e Schipholloop | 59,00 | ×4 |